From 0bcdf75127be434454720fc14188234aff632786 Mon Sep 17 00:00:00 2001 From: tobigun Date: Mon, 14 Jul 2008 17:59:05 +0000 Subject: - conversion of TLyricLine into a class. - Added GetLowerLine/GetUpperLine. - cleanup git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1192 b956fd51-792f-4845-bead-9b4dfca2ff2c --- Game/Code/Classes/ULyrics.pas | 283 ++++++++++++++++++++++-------------------- 1 file changed, 149 insertions(+), 134 deletions(-) (limited to 'Game/Code/Classes/ULyrics.pas') diff --git a/Game/Code/Classes/ULyrics.pas b/Game/Code/Classes/ULyrics.pas index dff7dec1..e5427773 100644 --- a/Game/Code/Classes/ULyrics.pas +++ b/Game/Code/Classes/ULyrics.pas @@ -26,21 +26,21 @@ type end; ALyricWord = array of TLyricWord; - PLyricLine = ^TLyricLine; - TLyricLine = record - Text: String; // text - Tex: glUInt; // texture of the text - Width: Real; // width - Size: Byte; // fontsize - Words: ALyricWord; // words in this line - CurWord: Integer; // current active word idx (only valid if line is active) - Start: Cardinal; // start of this line in quarters - Length: Cardinal; // length in quarters - HasFreestyle: Boolean; // one or more word are freestyle? - CountFreestyle: Integer; // how often there is a change from freestyle to non freestyle in this line - Players: Byte; // players that should sing that line (bitset, Player1: 1, Player2: 2, Player3: 4) - Done: Boolean; // is sentence already sung? - LastLine: Boolean; // is this the last line ob the song? + TLyricLine = class + public + Text: String; // text + Tex: glUInt; // texture of the text + Width: Real; // width + Size: Byte; // fontsize + Words: ALyricWord; // words in this line + CurWord: Integer; // current active word idx (only valid if line is active) + Start: Cardinal; // start of this line in quarters + Length: Cardinal; // length in quarters + HasFreestyle: Boolean; // one or more word are freestyle? + CountFreestyle: Integer; // how often there is a change from freestyle to non freestyle in this line + Players: Byte; // players that should sing that line (bitset, Player1: 1, Player2: 2, Player3: 4) + Done: Boolean; // is sentence already sung? + LastLine: Boolean; // is this the last line ob the song? end; TLyricEngine = class @@ -50,14 +50,13 @@ type UpperLine: TLyricLine; // first line displayed (top) LowerLine: TLyricLine; // second lind displayed (bottom) QueueLine: TLyricLine; // third line (queue and will be displayed when next line is finished) - PUpperLine, PLowerLine, PQueueLine: PLyricLine; IndicatorTex: TTexture; // texture for lyric indikator BallTex: TTexture; // texture of the ball for the lyric effect - - inQueue: Boolean; // is line in queue + + inQueue: Boolean; // is line in queue LCounter: Word; // line counter - + // duet mode - textures for player icons PlayerIconTex: array[0..5] of // player idx array [0..1] of // enabled disabled @@ -66,10 +65,10 @@ type //Some helper Procedures for Lyric Drawing procedure DrawLyrics (Beat: Real); - procedure DrawLyricsLine(const X, W, Y: Real; Size: Byte; const Line: PLyricLine; Beat: Real); - procedure DrawPlayerIcon(const Player: Byte; const Enabled: Boolean; const X, Y, Size, Alpha: Real); - procedure DrawBall(const XBall, YBall, Alpha:Real); - + procedure DrawLyricsLine(X, W, Y: Real; Size: Byte; Line: TLyricLine; Beat: Real); + procedure DrawPlayerIcon(Player: Byte; Enabled: Boolean; X, Y, Size, Alpha: Real); + procedure DrawBall(XBall, YBall, Alpha:Real); + public // positions, line specific settings UpperLineX: Real; //X Start Pos of UpperLine @@ -100,21 +99,23 @@ type BPM: Real; Resolution: Integer; - // properties to easily read options of this class property LineinQueue: Boolean read inQueue; // line in queue? property LineCounter: Word read LCounter; // lines that were progressed so far (after last clear) - - Procedure AddLine(Line: PLine); // adds a line to the queue, if there is space - Procedure Draw (Beat: Real); // draw the current (active at beat) lyrics - - Procedure Clear (const cBPM: Real = 0; // clears all cached song specific information - const cResolution: Integer = 0); - - Constructor Create; overload; - Constructor Create(ULX,ULY,ULW,ULS,LLX,LLY,LLW,LLS:Real); overload; - Procedure LoadTextures; - Destructor Destroy; override; + + procedure AddLine(Line: PLine); // adds a line to the queue, if there is space + procedure Draw (Beat: Real); // draw the current (active at beat) lyrics + + // clears all cached song specific information + procedure Clear(cBPM: Real = 0; cResolution: Integer = 0); + + function GetUpperLine(): TLyricLine; + function GetLowerLine(): TLyricLine; + + constructor Create; overload; + constructor Create(ULX,ULY,ULW,ULS,LLX,LLY,LLW,LLS: Real); overload; + procedure LoadTextures; + destructor Destroy; override; end; implementation @@ -155,7 +156,7 @@ end; //--------------- // Create - Constructor, just get Memory //--------------- -Constructor TLyricEngine.Create; +constructor TLyricEngine.Create; begin inherited; @@ -164,20 +165,22 @@ begin LCounter := 0; inQueue := False; + UpperLine := TLyricLine.Create; + LowerLine := TLyricLine.Create; + QueueLine := TLyricLine.Create; + UpperLine.Done := True; LowerLine.Done := True; QueueLine.Done := True; - PUpperline:=@UpperLine; - PLowerLine:=@LowerLine; - PQueueLine:=@QueueLine; UseLinearFilter := True; LastDrawBeat:=0; end; -Constructor TLyricEngine.Create(ULX,ULY,ULW,ULS,LLX,LLY,LLW,LLS:Real); +constructor TLyricEngine.Create(ULX,ULY,ULW,ULS,LLX,LLY,LLW,LLS:Real); begin Create; + UpperLineX := ULX; UpperLineW := ULW; UpperLineY := ULY; @@ -187,6 +190,7 @@ begin LowerLineW := LLW; LowerLineY := LLY; LowerLineSize := Trunc(LLS); + LoadTextures; end; @@ -194,15 +198,18 @@ end; //--------------- // Destroy - Frees Memory //--------------- -Destructor TLyricEngine.Destroy; +destructor TLyricEngine.Destroy; begin + UpperLine.Free; + LowerLine.Free; + QueueLine.Free; inherited; end; //--------------- // Clear - Clears all cached Song specific Information //--------------- -Procedure TLyricEngine.Clear (const cBPM: Real; const cResolution: Integer); +procedure TLyricEngine.Clear(cBPM: Real; cResolution: Integer); begin BPM := cBPM; Resolution := cResolution; @@ -212,10 +219,6 @@ begin UpperLine.Done := True; LowerLine.Done := True; QueueLine.Done := True; - - PUpperline:=@UpperLine; - PLowerLine:=@LowerLine; - PQueueLine:=@QueueLine; LastDrawBeat:=0; end; @@ -224,7 +227,7 @@ end; //--------------- // LoadTextures - Load Player Textures and Create Lyric Textures //--------------- -Procedure TLyricEngine.LoadTextures; +procedure TLyricEngine.LoadTextures; var I: Integer; @@ -283,47 +286,48 @@ end; //--------------- Procedure TLyricEngine.AddLine(Line: PLine); var - LyricLine: PLyricLine; + LyricLine: TLyricLine; countNotes: Cardinal; Viewport: Array[0..3] of Integer; - + PosX: Real; I: Integer; - - function CalcWidth(LyricLine: PLyricLine): Real; + + function CalcWidth(LyricLine: TLyricLine): Real; begin Result := glTextWidth(PChar(LyricLine.Text)); - + Result := Result + (LyricLine.CountFreestyle * 10); - + // if the line ends with a freestyle not, then leave the place to finish to draw the text italic if (LyricLine.Words[High(LyricLine.Words)].Freestyle) then Result := Result + 12; end; + begin // only add lines, if there is space If not LineinQueue then begin // set pointer to line to write - + If (LineCounter = 0) then - LyricLine := PUpperLine + LyricLine := UpperLine else if (LineCounter = 1) then - LyricLine := PLowerLine + LyricLine := LowerLine else - begin - LyricLine := PQueueLine; - + begin + LyricLine := QueueLine; + //now there is a queued line - inQueue := True; + inQueue := True; end; end else begin // rotate lines (round-robin-like) - LyricLine := PUpperLine; - PUpperLine := PLowerLine; - PLowerLine := PQueueLine; - PQueueLine := LyricLine; + LyricLine := UpperLine; + UpperLine := LowerLine; + LowerLine := QueueLine; + QueueLine := LyricLine; end; // sentence has notes? @@ -345,12 +349,12 @@ begin LyricLine.Length := Line.Note[CountNotes].Start + Line.Note[CountNotes].Length - LyricLine.Start; LyricLine.CurWord := -1; LyricLine.LastLine := Line.LastLine; - + // default values - set later LyricLine.HasFreestyle := False; LyricLine.CountFreestyle := 0; LyricLine.Text := ''; - + // duet mode: players of that line LyricLine.Players := 127; @@ -362,14 +366,14 @@ begin LyricLine.Words[I].Length := Line.Note[I].Length; LyricLine.Words[I].Text := Line.Note[I].Text; LyricLine.Words[I].Freestyle := Line.Note[I].NoteType = ntFreestyle; - + LyricLine.HasFreestyle := LyricLine.HasFreestyle OR LyricLine.Words[I].Freestyle; LyricLine.Text := LyricLine.Text + LyricLine.Words[I].Text; - + if (I > 0) AND LyricLine.Words[I-1].Freestyle AND not LyricLine.Words[I].Freestyle then Inc(LyricLine.CountFreestyle); end; - + // set font params SetFontStyle(FontStyle); SetFontPos(0, 0); @@ -390,7 +394,7 @@ begin SetFontSize(LyricLine.Size); LyricLine.Width := CalcWidth(LyricLine); end; - + // create LyricTexture - prepare OpenGL glGetIntegerv(GL_VIEWPORT, @ViewPort); glClearColor(0.0,0.0,0.0,0.0); @@ -406,11 +410,11 @@ begin SetFontItalic(Freestyle); X := PosX; - + //Draw Lyrics SetFontPos(PosX, 0); glPrint(PChar(Text)); - + Width := glTextWidth(PChar(Text)); if (I < High(LyricLine.Words)) AND Freestyle AND not LyricLine.Words[I+1].Freestyle then Width := Width + 10 @@ -432,13 +436,13 @@ begin //for debugging, is this used anymore? //Display.ScreenShot; - + //Copy to Texture glEnable(GL_ALPHA); glBindTexture(GL_TEXTURE_2D, LyricLine.Tex); glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 0, 600-64, 1024, 64, 0); glDisable(GL_ALPHA); - + //Clear Buffer glClearColor(0,0,0,0); glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); @@ -454,7 +458,7 @@ end; // Draw - Procedure Draws Lyrics; Beat is curent Beat in Quarters // Draw just manage the Lyrics, drawing is done by a call of DrawLyrics //--------------- -Procedure TLyricEngine.Draw (Beat: Real); +procedure TLyricEngine.Draw (Beat: Real); begin DrawLyrics(Beat); LastDrawBeat := Beat; @@ -465,21 +469,21 @@ end; //--------------- procedure TLyricEngine.DrawLyrics (Beat: Real); begin - DrawLyricsLine(UpperLineX, UpperLineW, UpperlineY, 15, PUpperline, Beat); - DrawLyricsLine(LowerLineX, LowerLineW, LowerlineY, 15, PLowerline, Beat); + DrawLyricsLine(UpperLineX, UpperLineW, UpperlineY, 15, Upperline, Beat); + DrawLyricsLine(LowerLineX, LowerLineW, LowerlineY, 15, Lowerline, Beat); end; //--------------- // DrawPlayerIcon(private) - Helper for Draw; Draws a Playericon //--------------- -procedure TLyricEngine.DrawPlayerIcon(const Player: Byte; const Enabled: Boolean; const X, Y, Size, Alpha: Real); +procedure TLyricEngine.DrawPlayerIcon(Player: Byte; Enabled: Boolean; X, Y, Size, Alpha: Real); var IEnabled: Byte; begin - Case Enabled of + case Enabled of True: IEnabled := 0; False: IEnabled := 1; end; - + try glEnable(GL_TEXTURE_2D); glEnable(GL_BLEND); @@ -503,14 +507,14 @@ end; //--------------- // DrawBall(private) - Helper for Draw; Draws the Ball over the LyricLine if needed //--------------- -procedure TLyricEngine.DrawBall(const XBall, YBall, Alpha:Real); +procedure TLyricEngine.DrawBall(XBall, YBall, Alpha: Real); begin try glEnable(GL_TEXTURE_2D); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glBindTexture(GL_TEXTURE_2D, BallTex.TexNum); - + glColor4f(1,1,1, Alpha); glBegin(GL_QUADS); glTexCoord2f(0, 0); glVertex2f(XBall - 10, YBall); @@ -518,7 +522,7 @@ begin glTexCoord2f(1, 1); glVertex2f(XBall + 10, YBall + 20); glTexCoord2f(1, 0); glVertex2f(XBall + 10, YBall); glEnd; - + finally glDisable(GL_BLEND); glDisable(GL_TEXTURE_2D); @@ -528,29 +532,29 @@ end; //--------------- // DrawLyricsLine(private) - Helper for Draw; Draws one LyricLine //--------------- -procedure TLyricEngine.DrawLyricsLine(const X, W, Y: Real; Size: Byte; const Line: PLyricLine; Beat: Real); +procedure TLyricEngine.DrawLyricsLine(X, W, Y: Real; Size: Byte; Line: TLyricLine; Beat: Real); var - CurWordStart, CurWordEnd: Real; // screen coordinates of current word and the rest of the sentence - FreestyleDiff: Integer; // difference between top and bottom coordiantes for freestyle lyrics - Progress: Real; // progress of singing the current word - LyricX: Real; // left - LyricX2: Real; // right - LyricY: Real; // top - LyricsHeight: Real; // height the lyrics are displayed - Alpha: Real; // alphalevel to fade out at end - + CurWordStart, CurWordEnd: Real; // screen coordinates of current word and the rest of the sentence + FreestyleDiff: Integer; // difference between top and bottom coordiantes for freestyle lyrics + Progress: Real; // progress of singing the current word + LyricX: Real; // left + LyricX2: Real; // right + LyricY: Real; // top + LyricsHeight: Real; // height the lyrics are displayed + Alpha: Real; // alphalevel to fade out at end + {// duet mode - IconSize: Real; // size of player icons - IconAlpha: Real; // alpha level of player icons + IconSize: Real; // size of player icons + IconAlpha: Real; // alpha level of player icons } begin // lines with a width lower than 0, have not to be draw - if Line^.Width <= 0 then + if Line.Width <= 0 then exit; - + // this is actually a bit more than the real font size // it helps adjusting the "zoom-center" - LyricsHeight:=30.5 * (Line^.Size/10); + LyricsHeight:=30.5 * (Line.Size/10); { // duet mode @@ -562,69 +566,71 @@ begin DrawPlayerIcon (2, True, X + (IconSize + 1)*2, Y + (42 - IconSize) / 2, IconSize, IconAlpha); } - LyricX := X+W/2 - Line^.Width/2; - LyricX2 := LyricX + Line^.Width; - + LyricX := X+W/2 - Line.Width/2; + LyricX2 := LyricX + Line.Width; + // maybe center smaller lines //LyricY := Y; - LyricY := Y + ((Size / Line.Size - 1) * LyricsHeight) / 2; - + LyricY := Y + ((Size / Line.Size - 1) * LyricsHeight) / 2; + Alpha := 1; - + // word in the sentence is active? - if (Line^.Start < Beat) then + if (Line.Start < Beat) then begin // if this line just got active, then CurWord is still -1 // this means, we should try to make the first word active // then we check if the current active word is still meant to be active // if not, we proceed to the next word - if Line^.CurWord = -1 then - Line^.CurWord:=0; - - if (Line^.CurWord < High(Line^.Words)) AND (Beat >= (Line^.Words[Line^.CurWord + 1].Start)) then - Line^.CurWord:=Line^.CurWord+1; - + if Line.CurWord = -1 then + Line.CurWord:=0; + + if (Line.CurWord < High(Line.Words)) and (Beat >= (Line.Words[Line.CurWord + 1].Start)) then + Line.CurWord:=Line.CurWord+1; + FreestyleDiff := 0; - + // last word of this line finished, but this line did not hide - if (Line^.CurWord > High(Line^.Words)) then + if (Line.CurWord > High(Line.Words)) then begin - CurWordStart := Line^.Words[High(Line^.Words)].X + Line^.Words[High(Line^.Words)].Width; + CurWordStart := Line.Words[High(Line.Words)].X + Line.Words[High(Line.Words)].Width; CurWordEnd := CurWordStart; - + // fade out last line - if Line^.LastLine then + if Line.LastLine then begin - Alpha := 1 - (Beat - (Line^.Words[High(Line^.Words)].Start + Line^.Words[High(Line^.Words)].Length)) / 15; + Alpha := 1 - (Beat - (Line.Words[High(Line.Words)].Start + Line.Words[High(Line.Words)].Length)) / 15; if (Alpha < 0) then Alpha := 0; end; end else begin - with Line^.Words[Line^.CurWord] do + with Line.Words[Line.CurWord] do begin Progress := (Beat - Start) / Length; if Progress >= 1 then Progress := 1; - + if Progress <= 0 then Progress := 0; - + CurWordStart:=X; CurWordEnd:=X+Width; - + // Slide Effect - // simply paint the active texture to the current position + // simply paint the active texture to the current position if Ini.LyricsEffect = 2 then begin CurWordStart := CurWordStart + Width * progress; CurWordEnd := CurWordStart; end; - - if (Line^.CurWord < High(Line^.Words)) AND Freestyle AND not Line^.Words[Line^.CurWord + 1].Freestyle then + + if (Line.CurWord < High(Line.Words)) and + Freestyle and + (not Line.Words[Line.CurWord + 1].Freestyle) then begin - FreestyleDiff := 2; + FreestyleDiff := 2; end else if Freestyle then @@ -635,11 +641,11 @@ begin end; end; end; - + glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, Line^.Tex); + glBindTexture(GL_TEXTURE_2D, Line.Tex); // draw sentence up to current word if (Ini.LyricsEffect = 3) or (Ini.LyricsEffect = 4) then @@ -647,7 +653,7 @@ begin glColorRGB(LineColor_en, Alpha) else glColorRGB(LineColor_act, Alpha); - + glBegin(GL_QUADS); glTexCoord2f(0, 1); glVertex2f(LyricX, LyricY); glTexCoord2f(0, 1-LyricsHeight/64); glVertex2f(LyricX, LyricY + LyricsHeight); @@ -660,10 +666,10 @@ begin glBegin(GL_QUADS); glTexCoord2f((CurWordEnd+FreestyleDiff)/1024, 1); glVertex2f(LyricX+CurWordEnd+FreestyleDiff, LyricY); glTexCoord2f(CurWordEnd/1024, 1-LyricsHeight/64); glVertex2f(LyricX+CurWordEnd, LyricY + LyricsHeight); - glTexCoord2f(Line^.Width/1024, 1-LyricsHeight/64); glVertex2f(LyricX2, LyricY + LyricsHeight); - glTexCoord2f(Line^.Width/1024, 1); glVertex2f(LyricX2, LyricY); + glTexCoord2f(Line.Width/1024, 1-LyricsHeight/64); glVertex2f(LyricX2, LyricY + LyricsHeight); + glTexCoord2f(Line.Width/1024, 1); glVertex2f(LyricX2, LyricY); glEnd; - + // draw active word: // type 0: simple lyric effect // type 3: ball lyric effect @@ -733,14 +739,14 @@ begin glEnable(GL_TEXTURE_2D); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glBindTexture(GL_TEXTURE_2D, Line^.Tex); + glBindTexture(GL_TEXTURE_2D, Line.Tex); glColorRGB(LineColor_dis); glBegin(GL_QUADS); glTexCoord2f(0, 1); glVertex2f(LyricX, LyricY); glTexCoord2f(0, 1-LyricsHeight/64); glVertex2f(LyricX, LyricY + LyricsHeight); - glTexCoord2f(Line^.Width/1024, 1-LyricsHeight/64); glVertex2f(LyricX2, LyricY + LyricsHeight); - glTexCoord2f(Line^.Width/1024, 1); glVertex2f(LyricX2, LyricY); + glTexCoord2f(Line.Width/1024, 1-LyricsHeight/64); glVertex2f(LyricX2, LyricY + LyricsHeight); + glTexCoord2f(Line.Width/1024, 1); glVertex2f(LyricX2, LyricY); glEnd; glDisable(GL_BLEND); @@ -748,6 +754,15 @@ begin end; end; +function TLyricEngine.GetUpperLine(): TLyricLine; +begin + Result := UpperLine; +end; + +function TLyricEngine.GetLowerLine(): TLyricLine; +begin + Result := LowerLine; +end; end. -- cgit v1.2.3